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4-8-18B - Optic Mold for Glassblowing

Product Description

4-8-18B - Optic Mold for Glassblowing. The 4-8-18B has 18 scalloped ribs. It is 4" tall with a 2.625" opening at the top that tapers to a point at the bottom. This mold is closed at the bottom. It is made of cast aluminum.